The Joy of Computing using Python: Assignment 4

1 point

1. Which of the following is a valid question that would be posed when ‘Guess the Movie Name’ game is played with the movie ”SKYSCRAPER”?

 S*Y*C*A***

 **Y**R**E*

 **Y***A*E*

 S**S**A*ER

Ans: c

1 point

2. What is the output of the snippet of code shown below?

     A = [[1, 2, 3],[4, 5, 6],[7, 8, 9]]

     print(A[1])

 [4, 5, 6]

 [3, 6, 9]

 [1, 4, 7]

 [1, 2, 3]

Ans: a

1 point

3.  What is the output of the code shown?

      A = [[1, 2, 3],[4, 5, 6],[7, 8, 9]]

      print([A[row][1] for row in (0, 1, 2)])

 [4, 5, 6]

 [2, 5, 8]

 [8, 4, 7]

 [8, 2, 3]

Ans: b

1 point

4. What is the output of the code shown below?

    A = [[1, 2, 3],[4, 5, 6],[7, 8, 9]]

    print([A[i][i] for i in range(len(A))])

 [4, 5, 6]

 [2, 5, 8]

 [8, 4, 7]

 [1, 5, 9]

Ans: d

1 point

5.  In ”Guess the Movie Name” game, we initially have all blanks (or *). Slowly as the person guesses a letter the question undergoes a change in state (the               corresponding letter is opened up). If the movie name is INTERSTELLER, which of the following can never be a state of the question during the run of the program?

 I N _  E R _ _  ELL _  R

 I N T _  R _  T _  L L _  R

 I N T  E R  _ T E L L E R

 I N T ER _ T E _ _ E R

Ans: a

1 point

6. What is the minimum number of people required to guarantee a collision in their day of birth?

 8

 7

 6

 13

Ans: a

1 point

7. If there are k symbols in a Dobble game card, how many comparisons are needed at the maximum?

k/2$k/2$

k2$k^2$

k$k$

2k$2k$

$\mathrm{<br>}$

$\mathrm{Ans:\; b}$

1 point

8. What is the maximum number that can be filled in 5*5 Magic Square?

 9

 15

 25

 None of the above

Ans: c

1 point

9.  The probability of a birth date collision in a non-leap year is 

 more than that of leap year

 less than that of leap year

 same as that of leap year

 None of the above

Ans: a